1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
27*7c478bd9Sstevel@tonic-gate
28*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
29*7c478bd9Sstevel@tonic-gate #include <stdio.h>
30*7c478bd9Sstevel@tonic-gate #include <ctype.h>
31*7c478bd9Sstevel@tonic-gate #include <sys/stat.h>
32*7c478bd9Sstevel@tonic-gate #include <project.h>
33*7c478bd9Sstevel@tonic-gate #include <unistd.h>
34*7c478bd9Sstevel@tonic-gate #include <userdefs.h>
35*7c478bd9Sstevel@tonic-gate #include <errno.h>
36*7c478bd9Sstevel@tonic-gate #include <nss_dbdefs.h>
37*7c478bd9Sstevel@tonic-gate #include "users.h"
38*7c478bd9Sstevel@tonic-gate #include "messages.h"
39*7c478bd9Sstevel@tonic-gate
40*7c478bd9Sstevel@tonic-gate int
edit_project(char * login,char * new_login,projid_t projids[],int overwrite)41*7c478bd9Sstevel@tonic-gate edit_project(char *login, char *new_login, projid_t projids[], int overwrite)
42*7c478bd9Sstevel@tonic-gate {
43*7c478bd9Sstevel@tonic-gate char **memptr;
44*7c478bd9Sstevel@tonic-gate char t_name[] = "/etc/projtmp.XXXXXX";
45*7c478bd9Sstevel@tonic-gate FILE *e_fptr, *t_fptr;
46*7c478bd9Sstevel@tonic-gate struct project *p_ptr;
47*7c478bd9Sstevel@tonic-gate struct project p_work;
48*7c478bd9Sstevel@tonic-gate char workbuf[NSS_LINELEN_PROJECT];
49*7c478bd9Sstevel@tonic-gate int i, modified = 0;
50*7c478bd9Sstevel@tonic-gate struct stat sbuf;
51*7c478bd9Sstevel@tonic-gate int p_length;
52*7c478bd9Sstevel@tonic-gate char p_string[NSS_LINELEN_PROJECT];
53*7c478bd9Sstevel@tonic-gate long p_curr = 0;
54*7c478bd9Sstevel@tonic-gate int exist;
55*7c478bd9Sstevel@tonic-gate int fd;
56*7c478bd9Sstevel@tonic-gate
57*7c478bd9Sstevel@tonic-gate if ((e_fptr = fopen(PROJF_PATH, "r")) == NULL) {
58*7c478bd9Sstevel@tonic-gate return (EX_UPDATE);
59*7c478bd9Sstevel@tonic-gate }
60*7c478bd9Sstevel@tonic-gate
61*7c478bd9Sstevel@tonic-gate if (fstat(fileno(e_fptr), &sbuf) != 0)
62*7c478bd9Sstevel@tonic-gate return (EX_UPDATE);
63*7c478bd9Sstevel@tonic-gate
64*7c478bd9Sstevel@tonic-gate if ((fd = mkstemp(t_name)) < 0) {
65*7c478bd9Sstevel@tonic-gate return (EX_UPDATE);
66*7c478bd9Sstevel@tonic-gate }
67*7c478bd9Sstevel@tonic-gate
68*7c478bd9Sstevel@tonic-gate if ((t_fptr = fdopen(fd, "w+")) == NULL) {
69*7c478bd9Sstevel@tonic-gate (void) close(fd);
70*7c478bd9Sstevel@tonic-gate (void) unlink(t_name);
71*7c478bd9Sstevel@tonic-gate return (EX_UPDATE);
72*7c478bd9Sstevel@tonic-gate }
73*7c478bd9Sstevel@tonic-gate
74*7c478bd9Sstevel@tonic-gate /*
75*7c478bd9Sstevel@tonic-gate * Get ownership and permissions correct
76*7c478bd9Sstevel@tonic-gate */
77*7c478bd9Sstevel@tonic-gate
78*7c478bd9Sstevel@tonic-gate if (fchmod(fd, sbuf.st_mode) != 0 ||
79*7c478bd9Sstevel@tonic-gate fchown(fd, sbuf.st_uid, sbuf.st_gid) != 0) {
80*7c478bd9Sstevel@tonic-gate (void) fclose(t_fptr);
81*7c478bd9Sstevel@tonic-gate (void) unlink(t_name);
82*7c478bd9Sstevel@tonic-gate return (EX_UPDATE);
83*7c478bd9Sstevel@tonic-gate }
84*7c478bd9Sstevel@tonic-gate
85*7c478bd9Sstevel@tonic-gate p_curr = ftell(e_fptr);
86*7c478bd9Sstevel@tonic-gate
87*7c478bd9Sstevel@tonic-gate /* Make TMP file look like we want project file to look */
88*7c478bd9Sstevel@tonic-gate
89*7c478bd9Sstevel@tonic-gate while (fgets(p_string, NSS_LINELEN_PROJECT - 1, e_fptr)) {
90*7c478bd9Sstevel@tonic-gate /* While there is another group string */
91*7c478bd9Sstevel@tonic-gate
92*7c478bd9Sstevel@tonic-gate p_length = strlen(p_string);
93*7c478bd9Sstevel@tonic-gate (void) fseek(e_fptr, p_curr, SEEK_SET);
94*7c478bd9Sstevel@tonic-gate p_ptr = fgetprojent(e_fptr, &p_work, &workbuf,
95*7c478bd9Sstevel@tonic-gate sizeof (workbuf));
96*7c478bd9Sstevel@tonic-gate p_curr = ftell(e_fptr);
97*7c478bd9Sstevel@tonic-gate
98*7c478bd9Sstevel@tonic-gate if (p_ptr == NULL) {
99*7c478bd9Sstevel@tonic-gate /*
100*7c478bd9Sstevel@tonic-gate * tried to parse a proj string over
101*7c478bd9Sstevel@tonic-gate * NSS_LINELEN_PROJECT chars
102*7c478bd9Sstevel@tonic-gate */
103*7c478bd9Sstevel@tonic-gate errmsg(M_PROJ_ENTRY_OVF, NSS_LINELEN_PROJECT);
104*7c478bd9Sstevel@tonic-gate modified = 0; /* bad project file: cannot rebuild */
105*7c478bd9Sstevel@tonic-gate break;
106*7c478bd9Sstevel@tonic-gate }
107*7c478bd9Sstevel@tonic-gate
108*7c478bd9Sstevel@tonic-gate /* first delete the login from the project, if it's there */
109*7c478bd9Sstevel@tonic-gate if (overwrite || !projids) {
110*7c478bd9Sstevel@tonic-gate if (p_ptr->pj_users != NULL) {
111*7c478bd9Sstevel@tonic-gate for (memptr = p_ptr->pj_users; *memptr;
112*7c478bd9Sstevel@tonic-gate memptr++) {
113*7c478bd9Sstevel@tonic-gate if (strcmp(*memptr, login) == 0) {
114*7c478bd9Sstevel@tonic-gate /* Delete this one */
115*7c478bd9Sstevel@tonic-gate char **from = memptr + 1;
116*7c478bd9Sstevel@tonic-gate p_length -= (strlen(*memptr)+1);
117*7c478bd9Sstevel@tonic-gate do {
118*7c478bd9Sstevel@tonic-gate *(from - 1) = *from;
119*7c478bd9Sstevel@tonic-gate } while (*from++);
120*7c478bd9Sstevel@tonic-gate
121*7c478bd9Sstevel@tonic-gate modified++;
122*7c478bd9Sstevel@tonic-gate break;
123*7c478bd9Sstevel@tonic-gate }
124*7c478bd9Sstevel@tonic-gate }
125*7c478bd9Sstevel@tonic-gate }
126*7c478bd9Sstevel@tonic-gate }
127*7c478bd9Sstevel@tonic-gate
128*7c478bd9Sstevel@tonic-gate /* now check to see if project is one to add to */
129*7c478bd9Sstevel@tonic-gate if (projids) {
130*7c478bd9Sstevel@tonic-gate for (i = 0; projids[i] != -1; i++) {
131*7c478bd9Sstevel@tonic-gate if (p_ptr->pj_projid == projids[i]) {
132*7c478bd9Sstevel@tonic-gate /* Scan for dups */
133*7c478bd9Sstevel@tonic-gate exist = 0;
134*7c478bd9Sstevel@tonic-gate for (memptr = p_ptr->pj_users; *memptr;
135*7c478bd9Sstevel@tonic-gate memptr++) {
136*7c478bd9Sstevel@tonic-gate if (strncmp(*memptr, new_login ?
137*7c478bd9Sstevel@tonic-gate new_login : login,
138*7c478bd9Sstevel@tonic-gate strlen(*memptr)) == 0)
139*7c478bd9Sstevel@tonic-gate exist++;
140*7c478bd9Sstevel@tonic-gate }
141*7c478bd9Sstevel@tonic-gate p_length += strlen(new_login ?
142*7c478bd9Sstevel@tonic-gate new_login : login) + 1;
143*7c478bd9Sstevel@tonic-gate
144*7c478bd9Sstevel@tonic-gate if (p_length >=
145*7c478bd9Sstevel@tonic-gate NSS_LINELEN_PROJECT - 1) {
146*7c478bd9Sstevel@tonic-gate errmsg(M_PROJ_ENTRY_OVF,
147*7c478bd9Sstevel@tonic-gate NSS_LINELEN_PROJECT);
148*7c478bd9Sstevel@tonic-gate break;
149*7c478bd9Sstevel@tonic-gate } else {
150*7c478bd9Sstevel@tonic-gate if (!exist) {
151*7c478bd9Sstevel@tonic-gate *memptr++ = new_login ?
152*7c478bd9Sstevel@tonic-gate new_login : login;
153*7c478bd9Sstevel@tonic-gate *memptr = NULL;
154*7c478bd9Sstevel@tonic-gate modified++;
155*7c478bd9Sstevel@tonic-gate }
156*7c478bd9Sstevel@tonic-gate }
157*7c478bd9Sstevel@tonic-gate }
158*7c478bd9Sstevel@tonic-gate }
159*7c478bd9Sstevel@tonic-gate }
160*7c478bd9Sstevel@tonic-gate putprojent(p_ptr, t_fptr);
161*7c478bd9Sstevel@tonic-gate }
162*7c478bd9Sstevel@tonic-gate
163*7c478bd9Sstevel@tonic-gate (void) fclose(e_fptr);
164*7c478bd9Sstevel@tonic-gate (void) fclose(t_fptr);
165*7c478bd9Sstevel@tonic-gate
166*7c478bd9Sstevel@tonic-gate /* Now, update project file, if it was modified */
167*7c478bd9Sstevel@tonic-gate if (modified && rename(t_name, PROJF_PATH) < 0) {
168*7c478bd9Sstevel@tonic-gate (void) unlink(t_name);
169*7c478bd9Sstevel@tonic-gate return (EX_UPDATE);
170*7c478bd9Sstevel@tonic-gate }
171*7c478bd9Sstevel@tonic-gate
172*7c478bd9Sstevel@tonic-gate (void) unlink(t_name);
173*7c478bd9Sstevel@tonic-gate return (EX_SUCCESS);
174*7c478bd9Sstevel@tonic-gate }
175